This could be indicative of a local irritant (such as deicer on the ground in the winter) or inflammation / infection from bacterial, fungal and / or parasitic sources. (thesprucepets.com)
The most commonly used deicer is rock salt, Sodium Chloride, because it is inexpensive and effective at melting ice on sidewalks,» says WVMA Member, Dr. Kevin Landorf. (wvma.org)
Advise your clients to source supplies early on, including a good snow shovel or blower, bags of deicer, multiple flashlights, and extra batteries in case power fails. (realtormag.realtor.org)